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Finding the Fourth Proportional to 69,553.94, 95,985.74 and 42,683.00

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Solution

The fourth proportional to 69,553.94, 95,985.74 and 42,683.00 is: 58,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,553.94 : 95,985.74 = 42,683.00 : x
  2. Step 2: Convert to fraction form
    69,553.94/95,985.74 = 42,683.00/x
  3. Step 3: Cross multiply
    69,553.94x = 95,985.74 × 42,683.00
  4. Step 4: Simplify right side
    69,553.94x = 4,096,958,967.20
  5. Step 5: Solve for x
    x = 4,096,958,967.20/69,553.94
  6. Step 6: Final answer
    x = 58,903.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.